HH

Harold Frederick Hogrefe

CT Cooper Technologies: 1 patents #306 of 757Top 45%
Overall (All Time): #3,661,235 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D414096 Screw driver handle David S. Chapin, Daniel M. Stipe, Adam Joseph Milligan, Alan D. Anderson, Steven J. Wegzyn +2 more 1999-09-21